Russian drone and missile attacks kill at least four and injure dozens across Ukraine.

Russian forces launched a large-scale drone and missile attack on Ukraine overnight and into the morning of October 21, hitting a 24-story residential building in Kyiv, a university in Kremenchuk, and other civilian infrastructure. The attacks resulted in at least four fatalities and dozens of injuries across Kyiv and the Kharkiv region. Ukraine's Air Force reported intercepting 150 out of 186 drones.